A pressure gauge at the top of an oil well 18,000 ft deep registers 2,000 psig. Thebottom 4,000-ft portion of the well is filled with oil (specific gravity, s = 0.70). Theremainder of the well is filled with natural gas (T = 60 °F, compressibility factor Z = 0.80,and s = 0.65, meaning that the molecular weight is 0.65 times that of air). Calculate thepressure (psig) at(a) the oil/gas interface, and(b)  the bottom of the well

1. In the benzene plant, the pressure drop at some point of a pipeline in which benzene is passing through is measured with a U-tube manometer (Rm,1) as 10 cm (1st situation). The manometer fluid is carbon tetrachloride (CC14). Then, in order to avoid CC14 poisoning, it is decided to add a layer of water to both arms of manometer (2nd situation). So, 4 cm of water is added to the left arm and 8 cm of water is added to right arm. In this new situation, what will be the height difference of manometer fluid (CC14) between the arms of the manometer (Rm,2)? Data: pbenzene=876 kg/m³, pwater=997 kg/m², pccCI4=1587 kg/m³ Benzene Flow Benzene Flow "wright=8cm Rm,1 Rm2 =4cm[ 1 st Situation: Before adding water to manometer's arms 2 nd Situation: After adding water to manometer's arms

Find the unit weight of helium at a temperature of 5 °C and apressure of 174 kPa gage, if atmospheric pressure is 101.92 kPa.(R = 3042 J/kg* °K)

Suppose a gas-filled incandescent light bulb is manufactured so that the gas inside the bulb is at atmospheric pressure (1 atm = 1.013 × 105 Pa) when the bulb has a temperature of 20.0 °C. Find the gauge pressure inside such a bulb when it is hot, assuming its average hot temperature is 75.0 °C. gauge pressure when hot: 1.87 X104 Incorrect The actual final pressure of the light bulb will be different than calculated in the first question because the glass bulb will expand. What will the final actual gauge pressure be, taking this into account? The volume expansion coefficient for glass is ß = 2.700 x 10-5 °C-1. final gauge pressure, accounting for glass expansion: 1.20 ×105 Pa Incorrect Pa